非病毒性

The nonvirulent strain of the bacteria is safe for laboratory experimentation.
这种非致病菌株适用于实验室实验。
Researchers are studying a nonvirulent version of the virus to better understand its behavior.
研究人员正在研究这种非致病性病毒版本以更好地了解其行为。
The nonvirulent form of the pathogen allowed scientists to conduct research without risking an outbreak.
这种非致病形式的病原体使得科学家可以在不引发疫情风险的情况下进行研究。
By attenuating the virus, scientists created a nonvirulent vaccine that can still provoke an immune response.
通过减弱病毒活性，科学家们制造出一种仍能引发免疫反应但无致病性的疫苗。
Nonvirulent strains of influenza are often used in flu vaccines to trigger immunity without causing illness.
非致病性流感菌株常被用于流感疫苗中，在不引起疾病的前提下激发免疫反应。
A nonvirulent parasite may exist harmlessly within its host without causing any symptoms.
一种非致病寄生虫可能在宿主体内无害存在，不会引发任何症状。
This weakened or nonvirulent strain of bacteria was developed as a live vaccine candidate.
这种弱化或非致病菌株被开发作为活疫苗候选物。
The nonvirulent E.coli strain is commonly used in genetic engineering experiments.
非致病型大肠杆菌在基因工程实验中被广泛应用。
Children were inoculated with a nonvirulent variant of the disease to build up their resistance.
孩子们接种了该疾病的非致病变种以增强抵抗力。
Thanks to advancements in biotechnology, researchers can now modify viruses to become nonvirulent while retaining their ability to stimulate the immune system.
得益于生物技术的进步，研究人员现在能够修改病毒使其变得非致病，同时保留刺激免疫系统的能力。